/Engine/Source/Runtime/OpenGLDrv/Public/OpenGLState.h
NumCombinedTextures must be greater than or equal to FOpenGL::GetMaxCombinedTextureImageUnits() NumCombinedUAVUnits must be greater than or equal to FOpenGL::GetMaxCombinedUAVUnits()
virtual void InitializeResources ( int32 NumCombinedTextures, int32 NumCombinedUAVUnits )